Science educators in the United States are adapting to a new vision of how students learn science. Children are natural explorers and their observations and intuitions about the world around them are the foundation for science learning. Unfortunately, the way science has been taught in the United States has not always taken advantage of those…

Successful reform of science education requires careful orchestration of a number of factors including technological developments, organizational issues, teacher preparation and enhancement, and advances in the scientific disciplines themselves. Exemplary innovations in exam practices that assess scientific understanding in new and more…